--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4163671270 dns-udp-queries-received-ipv6: 394105314 dns-tcp-queries-received-ipv4: 157791126 dns-tcp-queries-received-ipv6: 12734552 dns-udp-responses-sent-ipv4: 4059205586 dns-udp-responses-sent-ipv6: 392650621 dns-tcp-responses-sent-ipv4: 126621832 dns-tcp-responses-sent-ipv6: 12841789